| Cover | Jul. 18, 2023 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jul. 18, 2023 |
| Entity File Number | 001-40729 |
| Entity Registrant Name | DATCHAT, INC. |
| Entity Central Index Key | 0001648960 |
| Entity Tax Identification Number | 47-2502264 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | 204 Neilson Street |
| Entity Address, City or Town | New Brunswick |
| Entity Address, State or Province | NJ |
| Entity Address, Postal Zip Code | 08901 |
| City Area Code | 732 |
| Local Phone Number | 374-3529 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Common Stock. $0.0001 par value | |
| Title of 12(b) Security | Common Stock. $0.0001 par value |
| Trading Symbol | DATS |
| Security Exchange Name | NASDAQ |
| Series A Warrants, each warrant exercisable for one share of Common Stock at an exercise price of $4.98 | |
| Title of 12(b) Security | Series A Warrants, each warrant exercisable for one share of Common Stock at an exercise price of $4.98 |
| Trading Symbol | DATSW |
| Security Exchange Name | NASDAQ |
